| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 11 | |
| #2 | Germany | 6 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Guiding railway traffic | |
| #2 | Electric discharge tubes | |
| #3 | Special electric heating or lighting | |
| #4 | Batteries |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johann Kremenezky Firma | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE340880C | Electric flashing light for railway signals | |
| DE342022C | Electric lighting system for turnouts and similar signals using light bulbs | |
| DE333636C | Galvanic element | |
| DE467696C | Mercury vapor rectifier | |
| DE360085C | Mercury breaker for electric flashing light for railway signals | |
| DE451863C | Mercury vapor rectifier with filament for igniting the arc |